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edgetx-gx12/radio/src/gui/common/stdlcd/lcd_common.cpp
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/*
* Copyright (C) EdgeTX
*
* Based on code named
* opentx - https://github.com/opentx/opentx
* th9x - http://code.google.com/p/th9x
* er9x - http://code.google.com/p/er9x
* gruvin9x - http://code.google.com/p/gruvin9x
*
* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <memory.h>
#include "lcd.h"
#include "fonts.h"
#include "utf8.h"
#if !defined(SIMU)
#define assert(x)
#else
#include <assert.h>
#endif
#if !defined(BOOT)
#include "edgetx.h"
#endif
pixel_t displayBuf[DISPLAY_BUFFER_SIZE] __DMA;
coord_t lcdLastRightPos;
coord_t lcdLastLeftPos;
coord_t lcdNextPos;
void lcdFlushed() {}
void lcdClear()
{
memset(displayBuf, 0, DISPLAY_BUFFER_SIZE * sizeof(pixel_t));
}
LcdFlags getCharPattern(PatternData * pattern, unsigned char c, LcdFlags flags)
{
#if !defined(BOOT)
static const uint8_t fontWidth[] = { 5, 3, 5, 8, 10, 22, 5 };
static const uint8_t fontHeight[] = { 7, 5, 6, 12, 16, 38, 7 };
uint32_t fontsize = FONTSIZE(flags);
unsigned char c_remapped = 0;
if (fontsize == DBLSIZE || (flags & BOLD)) {
// To save space only some DBLSIZE and BOLD chars are available
// c has to be remapped. All non existing chars mapped to 0 (space)
if (c >= ',' && c <= ':')
c_remapped = c - ',' + 1;
else if (c >= 'A' && c <= 'Z')
c_remapped = c - 'A' + 16;
else if (c >= 'a' && c <= 'z')
c_remapped = c - 'a' + 42;
else if (c == '_')
c_remapped = 4;
else if (c != ' ')
flags &= ~BOLD; // For BOLD use Standard font if character is not in BOLD
}
uint8_t fontIdx = fontsize >> 8;
if (fontIdx == 0 && flags & BOLD) fontIdx = 6;
pattern->width = fontWidth[fontIdx];
pattern->height = fontHeight[fontIdx];
int charSize = (pattern->height + 7) / 8 * pattern->width;
switch (fontIdx) {
case 0: // Standard
pattern->data = &font_5x7[(c - FONT_BASE_START) * charSize];
break;
case 1: // TINSIZE
pattern->data = &font_3x5[(c - FONT_BASE_START) * charSize];
break;
case 2: // SMLSIZE
// Adjust language special characters offset
if (c >= FONT_LANG_START)
c = c - (FONT_SYMS_CNT - FONT_SYMS_CNT_4x6);
pattern->data = &font_4x6[(c - FONT_BASE_START) * charSize];
break;
case 3: // MDLSIZE
// Adjust language special characters offset
if (c >= FONT_LANG_START)
c = c - FONT_SYMS_CNT;
pattern->data = &font_8x10[(c - FONT_BASE_START) * charSize];
break;
case 4: // DBLSIZE
// Adjust language special characters offset and symbols offset
if (c >= FONT_LANG_START)
c_remapped = c - (FONT_BASE_CNT - FONT_BASE_CNT_10x14) - (FONT_SYMS_CNT - FONT_SYMS_CNT_10x14) - FONT_BASE_START;
else if (c >= FONT_SYMS_START)
c_remapped = c - (FONT_BASE_CNT - FONT_BASE_CNT_10x14) - FONT_BASE_START;
pattern->data = &font_10x14[(c_remapped) * charSize];
break;
case 5: // XXLSIZE
pattern->data = &font_22x38_num[(c - '0' + 5) * charSize];
break;
case 6: // BOLD
pattern->data = &font_5x7_B[c_remapped * charSize];
break;
};
#else
pattern->width = 5;
pattern->height = 7;
pattern->data = &font_5x7[(c - FONT_BASE_START) * 5];
#endif
return flags;
}
static uint8_t getPatternWidth(const PatternData * pattern)
{
uint8_t result = 0;
uint8_t lines = (pattern->height+7)/8;
const uint8_t * data = pattern->data;
for (int8_t i=0; i<pattern->width; i++) {
for (uint8_t j=0; j<lines; j++) {
if (data[j] != 0xff) {
result += 1;
break;
}
}
data += lines;
}
return result;
}
uint8_t getCharWidth(char c, LcdFlags flags)
{
PatternData pattern;
getCharPattern(&pattern, c, flags);
return getPatternWidth(&pattern);
}
uint8_t getTextWidth(const char * s, uint8_t len, LcdFlags flags)
{
uint8_t width = 0;
for (int i = 0; len == 0 || i < len; ++i) {
unsigned char c = map_utf8_char(s, len);
if (!c) {
break;
}
width += getCharWidth(c, flags) + 1;
s++;
}
return width;
}
void lcdPutPattern(coord_t x, coord_t y, const uint8_t * pattern, uint8_t width, uint8_t height, LcdFlags flags)
{
bool blink = false;
bool inv = false;
if (flags & BLINK) {
if (BLINK_ON_PHASE) {
if (flags & INVERS)
inv = true;
else {
blink = true;
}
}
}
else if (flags & INVERS) {
inv = true;
}
uint8_t lines = (height+7)/8;
assert(lines <= 5);
for (int8_t i=0; i<width+2; i++) {
if (x >= 0 && x < LCD_W) {
uint8_t b[5] = { 0 };
if (i==0) {
if (x==0 || !inv) {
lcdNextPos++;
continue;
}
else {
// we need to work on the previous x when INVERS
x--;
}
}
else if (i<=width) {
uint8_t skip = true;
for (uint8_t j=0; j<lines; j++) {
b[j] = *(pattern++); /*top byte*/
if (b[j] != 0xff) {
skip = false;
}
}
if (skip) {
if (flags & FIXEDWIDTH) {
for (uint8_t j=0; j<lines; j++) {
b[j] = 0;
}
}
else {
continue;
}
}
if ((flags & CONDENSED) && i==2) {
/*condense the letter by skipping column 3 */
continue;
}
}
for (int8_t j=-1; j<=height; j++) {
bool plot;
if (j < 0 || ((j == height) && !(FONTSIZE(flags) == SMLSIZE))) {
plot = false;
if (height >= 12) continue;
if (j<0 && !inv) continue;
if (y+j < 0) continue;
}
else {
uint8_t line = (j / 8);
uint8_t pixel = (j % 8);
plot = b[line] & (1 << pixel);
}
if (inv) plot = !plot;
if (!blink) {
if (flags & VERTICAL)
lcdDrawPoint(y+j, LCD_H-x, plot ? FORCE : ERASE);
else
lcdDrawPoint(x, y+j, plot ? FORCE : ERASE);
}
}
}
x++;
lcdNextPos++;
}
}
void lcdDrawChar(coord_t x, coord_t y, uint8_t c, LcdFlags flags)
{
lcdNextPos = x - 1;
PatternData pattern;
flags = getCharPattern(&pattern, c, flags);
lcdPutPattern(x, y, pattern.data, pattern.width, pattern.height, flags);
}
void lcdDrawChar(coord_t x, coord_t y, uint8_t c)
{
lcdDrawChar(x, y, c, 0);
}
void lcdDrawSizedText(coord_t x, coord_t y, const char * s, uint8_t len)
{
lcdDrawSizedText(x, y, s, len, 0);
}
void lcdDrawText(coord_t x, coord_t y, const char * s, LcdFlags flags)
{
lcdDrawSizedText(x, y, s, 255, flags);
}
void lcdDrawCenteredText(coord_t y, const char * s, LcdFlags flags)
{
coord_t x = (LCD_W - getTextWidth(s, flags)) / 2;
lcdDrawText(x, y, s, flags);
}
void lcdDrawText(coord_t x, coord_t y, const char * s)
{
lcdDrawText(x, y, s, 0);
}
void lcdDrawTextAlignedLeft(coord_t y, const char * s)
{
lcdDrawText(0, y, s);
}
void lcdDrawTextIndented(coord_t y, const char * s)
{
lcdDrawText(INDENT_WIDTH, y, s);
}
#if !defined(BOOT)
void lcdDrawTextAtIndex(coord_t x, coord_t y, const char *const *s,uint8_t idx, LcdFlags flags)
{
lcdDrawSizedText(x, y, s[idx], UINT8_MAX, flags);
}
void lcdDrawNumber(coord_t x, coord_t y, int32_t val, LcdFlags flags)
{
lcdDrawNumber(x, y, val, flags, 0);
}
void lcdDrawNumber(coord_t x, coord_t y, int32_t val, LcdFlags flags, uint8_t len)
{
char str[16+1];
char *s = str+16;
*s = '\0';
int idx = 0;
int mode = MODE(flags);
bool neg = false;
if (val == INT_MAX) {
flags &= ~(LEADING0 | PREC1 | PREC2);
lcdDrawText(x, y, "INT_MAX", flags);
return;
}
if (val < 0) {
if (val == INT_MIN) {
flags &= ~(LEADING0 | PREC1 | PREC2);
lcdDrawText(x, y, "INT_MIN", flags);
return;
}
val = -val;
neg = true;
}
do {
*--s = '0' + (val % 10);
++idx;
val /= 10;
if (mode!=0 && idx==mode) {
mode = 0;
*--s = '.';
if (val==0) {
*--s = '0';
}
}
} while (val!=0 || mode>0 || (mode==MODE(LEADING0) && idx<len));
if (neg) {
*--s = '-';
}
flags &= ~(LEADING0 | PREC1 | PREC2);
lcdDrawText(x, y, s, flags);
}
void drawTimer(coord_t x, coord_t y, int32_t tme, LcdFlags att, LcdFlags att2)
{
div_t qr;
if (IS_RIGHT_ALIGNED(att)) {
att -= RIGHT;
if (att & DBLSIZE)
x -= 5*(2*FWNUM)-4;
else if (att & MIDSIZE)
x -= 5*8-8;
else
x -= 5*FWNUM+1;
}
if (tme < 0) {
lcdDrawChar(x - ((att & DBLSIZE) ? FW+2 : ((att & MIDSIZE) ? FW+0 : FWNUM)), y, '-', att);
tme = -tme;
}
qr = div((int)tme, 60);
constexpr char separator = ':';
if (att & TIMEHOUR) {
div_t qr2 = div(qr.quot, 60);
if (qr2.quot < 100) {
lcdDrawNumber(x, y, qr2.quot, att|LEADING0|LEFT, 2);
}
else {
lcdDrawNumber(x, y, qr2.quot, att|LEFT);
}
lcdDrawChar(lcdNextPos, y, separator, att);
qr.quot = qr2.rem;
x = lcdNextPos;
}
#if LCD_W < 212
if (FONTSIZE(att) == MIDSIZE) {
lcdLastRightPos--;
}
#endif
lcdDrawNumber(x, y, qr.quot, att|LEADING0|LEFT, 2);
if (att & TIMEBLINK)
lcdDrawChar(lcdLastRightPos, y, separator, BLINK);
else
lcdDrawChar(lcdLastRightPos, y, separator, att&att2);
lcdDrawNumber(lcdNextPos, y, qr.rem, (att2|LEADING0|LEFT) & (~RIGHT), 2);
}
// TODO to be optimized with drawValueWithUnit
void putsVolts(coord_t x, coord_t y, uint16_t volts, LcdFlags att)
{
lcdDrawNumber(x, y, (int16_t)volts, (~NO_UNIT) & (att | ((att&PREC2)==PREC2 ? 0 : PREC1)));
if (~att & NO_UNIT) lcdDrawChar(lcdLastRightPos, y, 'V', att);
}
void putsVBat(coord_t x, coord_t y, LcdFlags att)
{
putsVolts(x, y, g_vbat100mV, att);
}
void putsChn(coord_t x, coord_t y, uint8_t idx, LcdFlags att)
{
drawStringWithIndex(x, y, STR_CH, idx, att);
}
void putsChnLetter(coord_t x, coord_t y, uint8_t idx, LcdFlags att)
{
lcdDrawText(x, y, getAnalogShortLabel(idx), att);
}
void drawModelName(coord_t x, coord_t y, char *name, uint8_t id, LcdFlags att)
{
uint8_t len = sizeof(g_model.header.name);
while (len>0 && !name[len-1]) --len;
if (len==0) {
drawStringWithIndex(x, y, STR_MODEL, id+1, att|LEADING0);
}
else {
lcdDrawSizedText(x, y, name, sizeof(g_model.header.name), att);
}
}
void drawSwitch(coord_t x, coord_t y, swsrc_t idx, LcdFlags flags, bool autoBold)
{
char s[8];
getSwitchPositionName(s, idx);
if (autoBold && idx != SWSRC_NONE && getSwitch(idx))
flags |= BOLD;
lcdDrawText(x, y, s, flags);
}
void drawCurveName(coord_t x, coord_t y, int8_t idx, LcdFlags att)
{
char s[8];
getCurveString(s, idx);
lcdDrawText(x, y, s, att);
}
void drawTimerMode(coord_t x, coord_t y, swsrc_t mode, LcdFlags att)
{
if (mode >= 0) {
if (mode < TMRMODE_COUNT)
return lcdDrawTextAtIndex(x, y, STR_VTMRMODES, mode, att);
else
mode -= (TMRMODE_COUNT-1);
}
drawSwitch(x, y, mode, att);
}
#if defined(RTCLOCK)
void drawRtcTime(coord_t x, coord_t y, LcdFlags att)
{
drawTimer(x, y, getValue(MIXSRC_TX_TIME), att, att);
}
#endif
void lcdDrawFilledRect(coord_t x, coord_t y, coord_t w, coord_t h, uint8_t pat, LcdFlags att)
{
for (coord_t i=y; i<y+h; i++) { // cast to coord_t needed otherwise (y+h) is promoted to int (see #5055)
if ((att&ROUND) && (i==y || i==y+h-1))
lcdDrawHorizontalLine(x+1, i, w-2, pat, att);
else
lcdDrawHorizontalLine(x, i, w, pat, att);
pat = (pat >> 1) + ((pat & 1) << 7);
}
}
void lcdDrawLine(coord_t x1, coord_t y1, coord_t x2, coord_t y2, uint8_t pat, LcdFlags att)
{
int dx = x2-x1; /* the horizontal distance of the line */
int dy = y2-y1; /* the vertical distance of the line */
int dxabs = abs(dx);
int dyabs = abs(dy);
int sdx = sgn(dx);
int sdy = sgn(dy);
int x = dyabs>>1;
int y = dxabs>>1;
int px = x1;
int py = y1;
if (dxabs >= dyabs) {
/* the line is more horizontal than vertical */
for (int i=0; i<=dxabs; i++) {
if ((1<<(px%8)) & pat) {
lcdDrawPoint(px, py, att);
}
y += dyabs;
if (y>=dxabs) {
y -= dxabs;
py += sdy;
}
px += sdx;
}
}
else {
/* the line is more vertical than horizontal */
for (int i=0; i<=dyabs; i++) {
if ((1<<(py%8)) & pat) {
lcdDrawPoint(px, py, att);
}
x += dxabs;
if (x >= dyabs) {
x -= dyabs;
px += sdx;
}
py += sdy;
}
}
}
#endif // !BOOT
void lcdDrawSolidVerticalLine(coord_t x, coord_t y, coord_t h, LcdFlags att)
{
lcdDrawVerticalLine(x, y, h, SOLID, att);
}
void lcdDrawRect(coord_t x, coord_t y, coord_t w, coord_t h, uint8_t pat, LcdFlags att)
{
lcdDrawVerticalLine(x, y, h, pat, att);
lcdDrawVerticalLine(x+w-1, y, h, pat, att);
if (~att & ROUND) { x+=1; w-=2; }
lcdDrawHorizontalLine(x, y+h-1, w, pat, att);
lcdDrawHorizontalLine(x, y, w, pat, att);
}
void lcdDrawSolidHorizontalLine(coord_t x, coord_t y, coord_t w, LcdFlags att)
{
if (w < 0) { x += w; w = -w; }
lcdDrawHorizontalLine(x, y, w, 0xff, att);
}
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